发明申请
- 专利标题: Systems and Devices for Sub-threshold Data Capture
- 专利标题(中): 用于子阈值数据采集的系统和设备
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申请号: US11736419申请日: 2007-04-17
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公开(公告)号: US20080258790A1公开(公告)日: 2008-10-23
- 发明人: Charles M. Branch , Steven C. Bartling
- 申请人: Charles M. Branch , Steven C. Bartling
- 专利权人: Texas Instruments Incorporated
- 当前专利权人: Texas Instruments Incorporated
- 主分类号: H03K3/0233
- IPC分类号: H03K3/0233
摘要:
Various systems and methods for capturing data are disclosed. For example, some embodiments of the present invention provide differential jam latches. Such differential jam latches include a data input, a latch input, and an output. Further, such differential jam latches include a PMOS stage and an NMOS stage. The PMOS stage includes a first PMOS transistor, a second PMOS transistor, a third PMOS transistor and a fourth PMOS transistor. The gate of the first PMOS transistor and the gate of the second PMOS transistor are electrically coupled to an inverted version of the latch input. The gate of the third PMOS transistor is electrically coupled to the data input, and the gate of the fourth PMOS transistor is electrically coupled to an inverted version of the data input. The NMOS stage includes a first NMOS transistor, a second NMOS transistor, a third NMOS transistor and a fourth NMOS transistor. The gate of the first NMOS transistor and the gate of the second NMOS transistor are electrically coupled to the latch input. The gate of the third NMOS transistor is electrically coupled to the data input, and the gate of the fourth NMOS transistor is electrically coupled to an inverted version of the data input. In addition, the jam latches include two inverters. The PMOS stage is electrically coupled to a first node and a second node, and the NMOS stage is electrically coupled to the first node and the second node. The first inverter drives an inverted version of the signal on the first node to the second node, and the second inverter drives an inverted version of the signal on the second node to the first node.
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